Home / 779,857.02-1,169,785.46-425,169.30

Finding the Fourth Proportional to 779,857.02, 1,169,785.46 and 425,169.30

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Solution

The fourth proportional to 779,857.02, 1,169,785.46 and 425,169.30 is: 637,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,857.02 : 1,169,785.46 = 425,169.30 : x
  2. Step 2: Convert to fraction form
    779,857.02/1,169,785.46 = 425,169.30/x
  3. Step 3: Cross multiply
    779,857.02x = 1,169,785.46 × 425,169.30
  4. Step 4: Simplify right side
    779,857.02x = 497,356,865,178.38
  5. Step 5: Solve for x
    x = 497,356,865,178.38/779,857.02
  6. Step 6: Final answer
    x = 637,753.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.